package com.zp.common.core.utils;

import com.alibaba.fastjson.JSONObject;
import com.zp.common.core.enums.WeekType;
import lombok.AccessLevel;
import lombok.NoArgsConstructor;
import org.apache.commons.lang3.time.DateFormatUtils;

import java.lang.management.ManagementFactory;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.time.*;
import java.util.Calendar;
import java.util.Date;
import java.util.HashMap;
import java.util.Map;


/**
 * 时间工具类
 *
 * @author zhang peng
 */
@NoArgsConstructor(access = AccessLevel.PRIVATE)
public class DateUtils extends org.apache.commons.lang3.time.DateUtils {

    public static final String YYYY = "yyyy";

    public static final String YYYY_MM = "yyyy-MM";

    public static final String YYYY_MM_DD = "yyyy-MM-dd";

    public static final String YYYYMMDDHHMMSS = "yyyyMMddHHmmss";

    public static final String YYYY_MM_DD_HH_MM_SS = "yyyy-MM-dd HH:mm:ss";

    private static final String[] PARSE_PATTERNS = {
            "yyyy-MM-dd", "yyyy-MM-dd HH:mm:ss", "yyyy-MM-dd HH:mm", "yyyy-MM",
            "yyyy/MM/dd", "yyyy/MM/dd HH:mm:ss", "yyyy/MM/dd HH:mm", "yyyy/MM",
            "yyyy.MM.dd", "yyyy.MM.dd HH:mm:ss", "yyyy.MM.dd HH:mm", "yyyy.MM"};

    /**
     * 获取当前Date型日期
     *
     * @return Date() 当前日期
     */
    public static Date getNowDate () {
        return new Date();
    }

    /**
     * 获取当前日期, 默认格式为yyyy-MM-dd
     *
     * @return String
     */
    public static String getDate () {
        return dateTimeNow(YYYY_MM_DD);
    }

    public static String getTime () {
        return dateTimeNow(YYYY_MM_DD_HH_MM_SS);
    }

    public static String dateTimeNow () {
        return dateTimeNow(YYYYMMDDHHMMSS);
    }

    public static String dateTimeNow (final String format) {
        return parseDateToStr(format, new Date());
    }

    public static String dateTime (final Date date) {
        return parseDateToStr(YYYY_MM_DD, date);
    }

    public static String parseDateToStr (final String format, final Date date) {
        return new SimpleDateFormat(format).format(date);
    }

    public static Date dateTime (final String format, final String ts) {
        try {
            return new SimpleDateFormat(format).parse(ts);
        } catch (ParseException e) {
            throw new RuntimeException(e);
        }
    }

    /**
     * 日期路径 即年/月/日 如2018/08/08
     */
    public static String datePath () {
        Date now = new Date();
        return DateFormatUtils.format(now, "yyyy/MM/dd");
    }

    /**
     * 日期路径 即年/月/日 如20180808
     */
    public static String dateTime () {
        Date now = new Date();
        return DateFormatUtils.format(now, "yyyyMMdd");
    }

    /**
     * 日期型字符串转化为日期 格式
     */
    public static Date parseDate (Object str) {
        if (str == null) {
            return null;
        }
        try {
            return parseDate(str.toString(), PARSE_PATTERNS);
        } catch (ParseException e) {
            return null;
        }
    }

    /**
     * 获取服务器启动时间
     */
    public static Date getServerStartDate () {
        long time = ManagementFactory.getRuntimeMXBean().getStartTime();
        return new Date(time);
    }

    /**
     * 计算两个时间差
     */
    public static String getDatePoor (Date endDate, Date nowDate) {
        long nd = 1000 * 24 * 60 * 60;
        long nh = 1000 * 60 * 60;
        long nm = 1000 * 60;
        // long ns = 1000;
        // 获得两个时间的毫秒时间差异
        long diff = endDate.getTime() - nowDate.getTime();
        // 计算差多少天
        long day = diff / nd;
        // 计算差多少小时
        long hour = diff % nd / nh;
        // 计算差多少分钟
        long min = diff % nd % nh / nm;
        // 计算差多少秒//输出结果
        // long sec = diff % nd % nh % nm / ns;
        return day + "天" + hour + "小时" + min + "分钟";
    }

    /**
     * 增加 LocalDateTime ==> Date
     */
    public static Date toDate (LocalDateTime temporalAccessor) {
        ZonedDateTime zdt = temporalAccessor.atZone(ZoneId.systemDefault());
        return Date.from(zdt.toInstant());
    }

    /**
     * 增加 LocalDate ==> Date
     */
    public static Date toDate (LocalDate temporalAccessor) {
        LocalDateTime localDateTime = LocalDateTime.of(temporalAccessor, LocalTime.of(0, 0, 0));
        ZonedDateTime zdt = localDateTime.atZone(ZoneId.systemDefault());
        return Date.from(zdt.toInstant());
    }

    public static Date atStartOfDay (Date date) {
        LocalDateTime localDateTime = LocalDateTime.ofInstant(date.toInstant(), ZoneId.systemDefault());
        LocalDateTime startOfDay = localDateTime.with(LocalTime.MIN);
        return Date.from(startOfDay.atZone(ZoneId.systemDefault()).toInstant());
    }

    public static Date atEndOfDay (Date date) {
        LocalDateTime localDateTime = LocalDateTime.ofInstant(date.toInstant(), ZoneId.systemDefault());
        LocalDateTime endOfDay = localDateTime.with(LocalTime.MAX);
        return Date.from(endOfDay.atZone(ZoneId.systemDefault()).toInstant());
    }

    /**
     * @param end 结束时间
     * @return java.util.Map<java.lang.String, com.alibaba.fastjson.JSONObject>
     * @Description //TODO 获取开始和结束日期之间的所有日期
     * @Date 12:06 2023/4/5
     * @Param start 开始时间
     * @Author zhangpeng
     **/
    public static Map<String, JSONObject> getDayListBetweenFromAndToDay (Date start, Date end) {
        Map<String, JSONObject> map = new HashMap();
        SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
        //保存日期的集合
//        List<String> list = new ArrayList<String>();
        //用Calendar 进行日期比较判断
        Calendar cd = Calendar.getInstance();
        while (start.getTime() <= end.getTime()) {
//            list.add(sdf.format(start));
            String week = getWeek(start);
            // 通过枚举获取星期几
            int weekCode = WeekType.getWednesday(week).getCode();
            String mapValue = "{\"weekCode\":\"" + weekCode + "\",\"start\":\"" + sdf.format(start) + "\",\"weekLabel\":\"" + week + "\"}";
            map.put(sdf.format(start), JSONObject.parseObject(mapValue));
            cd.setTime(start);
            cd.add(Calendar.DATE, 1);//增加一天 放入集合
            start = cd.getTime();
        }
        return map;
    }

    //根据日期取得星期几
    public static String getWeek (Date date) {
        String[] weeks = {"星期日", "星期一", "星期二", "星期三", "星期四", "星期五", "星期六"};
        Calendar cal = Calendar.getInstance();
        cal.setTime(date);
        int week_index = cal.get(Calendar.DAY_OF_WEEK) - 1;
        if (week_index < 0) {
            week_index = 0;
        }
        return weeks[week_index];
    }


}
